Inventor · disambiguated record
Fumihiro Sasaki
Also filed as: SASAKI FUMIHIRO
59 granted patents·9 pending applications·2,219 citations·filing 1986–2020
99Inventor score
Top patents by PatentIndex Score
68 records- 0199US7702271B2Fixing device, and image forming apparatus using the fixing deviceRICOH KK·Filed 2008·Granted Apr 20, 2010·61 cites·35 claims
- 0299US7437111B2Fixing device, and image forming apparatus using the fixing deviceRICOH KK·Filed 2005·Granted Oct 14, 2008·73 cites·35 claims
- 0399US7374851B2Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2006·Granted May 20, 2008·67 cites·25 claims
- 0499US6468706B2Two-component developer, container filled with the two-component developer, and image formation apparatusRICOH KK·Filed 2001·Granted Oct 22, 2002·130 cites·20 claims
- 0598US7455942B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2005·Granted Nov 25, 2008·41 cites·19 claims
- 0698US6667141B2Image forming method and apparatusRICOH KK·Filed 2002·Granted Dec 23, 2003·98 cites·19 claims
- 0798US6403275B1Electrophotographic toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2000·Granted Jun 11, 2002·130 cites·19 claims
- 0896US7521164B2Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2008·Granted Apr 21, 2009·22 cites·7 claims
- 0996US7429442B2Toner, and two component developer and image forming apparatus using the tonerRICOH KK·Filed 2005·Granted Sep 30, 2008·27 cites·15 claims
- 1096US7056638B1Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the sameRICOH KK·Filed 2003·Granted Jun 6, 2006·64 cites·25 claims
- 1196US6699632B2Image forming toner, and image forming method and image forming apparatus using the tonerRICOH KK·Filed 2001·Granted Mar 2, 2004·72 cites·20 claims
- 1296US6593048B2Two-component developer, and image forming apparatus and image forming method using the developerRICOH KK·Filed 2001·Granted Jul 15, 2003·97 cites·20 claims
- 1396US6544704B1Two-component developer, container filled with the two-component developer, and image formation apparatusRICOH KK·Filed 2002·Granted Apr 8, 2003·59 cites·20 claims
- 1496US5789047AFlexible, multilayered tubeJAPAN GORE TEX INC·Filed 1995·Granted Aug 4, 1998·150 cites·25 claims
- 1595US7129013B2Toner and developer for developing latent electrostatic images, and image forming apparatusRICOH KK·Filed 2004·Granted Oct 31, 2006·55 cites·23 claims
- 1695US7056636B2Dry toner, and process cartridge, image forming process and apparatus using the sameRICOH KK·Filed 2003·Granted Jun 6, 2006·58 cites·25 claims
- 1794US7368213B2Toner and fixing device and image forming device using the sameRICOH KK·Filed 2005·Granted May 6, 2008·17 cites·19 claims
- 1894US7083890B2Toner and image forming apparatus using the tonerRICOH KK·Filed 2004·Granted Aug 1, 2006·52 cites·26 claims
- 1994US6924073B2Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatusRICOH KK·Filed 2002·Granted Aug 2, 2005·52 cites·29 claims
- 2094US6811944B2Toner, method for manufacturing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2004·Granted Nov 2, 2004·36 cites·4 claims
- 2194US5659860ADeveloping device for an image forming apparatus and toner cartridgeRICOH KK·Filed 1995·Granted Aug 19, 1997·84 cites·20 claims
- 2294US5462586AOil-and water repellent gas-permeable filterJAPAN GORE TEX INC·Filed 1994·Granted Oct 31, 1995·137 cites·6 claims
- 2393US7587161B2Fixer and image forming apparatusRICOH KK·Filed 2005·Granted Sep 8, 2009·16 cites·31 claims
- 2493US7157201B2Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the sameRICOH KK·Filed 2003·Granted Jan 2, 2007·34 cites·26 claims
- 2593US5771426ADeveloping device using a toner and carrier mixtureRICOH KK·Filed 1996·Granted Jun 23, 1998·67 cites·40 claims
- 2693US4908290AToner for developing latent electrostatic imagesRICOH KK·Filed 1987·Granted Mar 13, 1990·52 cites·5 claims
- 2792US7157199B2Toner, developer including the toner, container containing the toner or the developer and method of producing the tonerRICOH KK·Filed 2003·Granted Jan 2, 2007·32 cites·17 claims
- 2892US6790575B2Two-component developer, image forming apparatus, and image forming methodRICOH KK·Filed 2002·Granted Sep 14, 2004·43 cites·20 claims
- 2991US6835517B2Toner, developer and image forming method using the tonerRICOH KK·Filed 2002·Granted Dec 28, 2004·36 cites·23 claims
- 3091US6813461B2Toner, method for manufacturing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2004·Granted Nov 2, 2004·26 cites·9 claims
- 3190US6947692B2Image forming method and apparatusRICOH KK·Filed 2003·Granted Sep 20, 2005·34 cites·18 claims
- 3290US6911289B2Toner, method for manufacturing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2001·Granted Jun 28, 2005·26 cites·19 claims
- 3390US6873814B2Developing device using a two-ingredient type developer and image forming apparatus including the sameRICOH KK·Filed 2002·Granted Mar 29, 2005·36 cites·18 claims
- 3488US7473508B2Toner, developer and image forming apparatusRICOH KK·Filed 2004·Granted Jan 6, 2009·21 cites·12 claims
- 3586US6856774B2Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing deviceRICOH KK·Filed 2002·Granted Feb 15, 2005·26 cites·15 claims
- 3685US6856781B2Image forming apparatus and method of developing an electrostatic latent imageRICOH KK·Filed 2002·Granted Feb 15, 2005·25 cites·20 claims
- 3784US7608377B2Image forming method and image forming apparatusRICOH KK·Filed 2006·Granted Oct 27, 2009·7 cites·15 claims
- 3884US7323281B2Toner, developer including the toner, container containing the toner or the developer and method of producing the tonerRICOH KK·Filed 2006·Granted Jan 29, 2008·6 cites·17 claims
- 3984US7029816B2Electrographic image formation methodRICOH KK·Filed 2004·Granted Apr 18, 2006·20 cites·3 claims
- 4084US5652079ACarrier for dry two-component developer and method of producing the sameRICOH KK·Filed 1995·Granted Jul 29, 1997·37 cites·104 claims
- 4183US7531281B2Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the sameRICOH KK·Filed 2007·Granted May 12, 2009·5 cites·9 claims
- 4283US4758489AToner for developing latent electrostatic imagesRICOH KK·Filed 1986·Granted Jul 19, 1988·23 cites·5 claims
- 4381US7939235B2Image formation methodRICOH CO LTD·Filed 2008·Granted May 10, 2011·6 cites·3 claims
- 4481US7736826B2Toner, developer and image forming apparatusRICOH KK·Filed 2008·Granted Jun 15, 2010·4 cites·16 claims
- 4579US7384720B2Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the sameRICOH KK·Filed 2005·Granted Jun 10, 2008·4 cites·1 claims
- 4678US7383031B2Receiving circuit for radio-wave clock broadcast waveSANYO ELECTRIC CO·Filed 2005·Granted Jun 3, 2008·4 cites·25 claims
- 4775US8455169B2Toner, method for preparing the toner, and image forming method using the tonerINOUE DAISUKE·Filed 2010·Granted Jun 4, 2013·2 cites·17 claims
- 4874US7166404B2Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using sameRICOH KK·Filed 2002·Granted Jan 23, 2007·11 cites·12 claims
- 4972US7179577B2Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using sameRICOH KK·Filed 2005·Granted Feb 20, 2007·3 cites·5 claims
- 5070US8211605B2Toner, developer, toner container, process cartridge, image forming method, and image forming apparatusYAMADA HIROSHI·Filed 2008·Granted Jul 3, 2012·3 cites·15 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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